On the characteristics and origins of internet flow rates
Proceedings of the 2002 conference on Applications, technologies, architectures, and protocols for computer communications
Proceedings of the 2004 conference on Applications, technologies, architectures, and protocols for computer communications
Analysis of point-to-point packet delay in an operational network
Computer Networks: The International Journal of Computer and Telecommunications Networking
Analysis of internet backbone traffic and header anomalies observed
Proceedings of the 7th ACM SIGCOMM conference on Internet measurement
An SLA perspective on the router buffer sizing problem
ACM SIGMETRICS Performance Evaluation Review
Router buffer sizing revisited: the role of the output/input capacity ratio
CoNEXT '07 Proceedings of the 2007 ACM CoNEXT conference
Experimental study of router buffer sizing
Proceedings of the 8th ACM SIGCOMM conference on Internet measurement
Internet traffic classification demystified: myths, caveats, and the best practices
CoNEXT '08 Proceedings of the 2008 ACM CoNEXT Conference
Observing slow crustal movement in residential user traffic
CoNEXT '08 Proceedings of the 2008 ACM CoNEXT Conference
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Internet speed at the edge is increasing fast with the spread of fiberbased broadband technology. The appearance of bandwidth-consuming applications, such as peer-to-peer file sharing and video streaming, has made traffic growth a serious concern like never before. Network operators fear congestion at their links and try to keep them underutilized while no concrete report exists about performance degradation at highly utilized links until today. In this paper, we reveal the degree of performance degradation at a 100% utilized link using the packet-level traces collected at our campus network link. The link has been fully utilized during the peak hours for more than three years. We have found that per-flow loss rate at our border router is surprisingly low, but 30 ∼ 50 msec delay is added. The increase in delay results in overall RTT increase and degrades user satisfaction for domestic web flows. Comparison of two busy traces shows that the same 100% utilization can result in different amount of performance loss according to the traffic conditions. This paper stands as a good reference to the network administrators facing future congestion in their networks.